Home / 3,219,201.60-4,828,802.40-2,085,460.80

Finding the Fourth Proportional to 3,219,201.60, 4,828,802.40 and 2,085,460.80

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Solution

The fourth proportional to 3,219,201.60, 4,828,802.40 and 2,085,460.80 is: 3,128,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,201.60 : 4,828,802.40 = 2,085,460.80 : x
  2. Step 2: Convert to fraction form
    3,219,201.60/4,828,802.40 = 2,085,460.80/x
  3. Step 3: Cross multiply
    3,219,201.60x = 4,828,802.40 × 2,085,460.80
  4. Step 4: Simplify right side
    3,219,201.60x = 10,070,278,116,145.92
  5. Step 5: Solve for x
    x = 10,070,278,116,145.92/3,219,201.60
  6. Step 6: Final answer
    x = 3,128,191.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.